-848

Appears in sequences

• Expansion of e.g.f. sin(x*cos(x)) (odd powers only).at n=3A009446
• Expansion of 1/( (1-x)*(1 + x^2 + x^3) ).at n=37A077889
• Expansion of (1-x)^(-1)/(1+2*x+x^2-x^3).at n=18A077929
• a(n) = Sum_{k=0..floor(n/3)} C(n-k,2*k) * 2^k * (-2)^(n-3*k).at n=8A099784
• See Mathematica program.at n=62A130605
• Riordan array (1/((1-2x)(1-x)^2), -x/(1-x)^2).at n=29A135552
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 94", based on the 5-celled von Neumann neighborhood.at n=48A270136
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 395", based on the 5-celled von Neumann neighborhood.at n=19A271688
• a(n) = Sum_{k=0..n} (-1)^k*floor(phi^k), where phi is the golden ratio (A001622).at n=15A277752
• Expansion of 1/(1 - Sum_{k>=1} mu(k)*x^k), where mu() is the Moebius function (A008683).at n=26A300663
• Expansion of e.g.f.: exp(exp(x) - 3*x - 1).at n=7A346738
• A(n,k) is the n-th term of the k-th inverse binomial transform of the Bell numbers (A000110); square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=62A361781